Base | Representation |
---|---|
bin | 1010001111100… |
… | …1111100010101 |
3 | 2222211221101011 |
4 | 2203321330111 |
5 | 41444414210 |
6 | 4132532221 |
7 | 1031132440 |
oct | 243717425 |
9 | 88757334 |
10 | 42966805 |
11 | 22287662 |
12 | 12481071 |
13 | 8b9505b |
14 | 59c6657 |
15 | 3b8ad8a |
hex | 28f9f15 |
42966805 has 16 divisors (see below), whose sum is σ = 60520320. Its totient is φ = 28665792.
The previous prime is 42966793. The next prime is 42966817. The reversal of 42966805 is 50866924.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (42966793) and next prime (42966817).
It is a cyclic number.
It is not a de Polignac number, because 42966805 - 25 = 42966773 is a prime.
It is a super-3 number, since 3×429668053 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15295 + ... + 17884.
It is an arithmetic number, because the mean of its divisors is an integer number (3782520).
Almost surely, 242966805 is an apocalyptic number.
It is an amenable number.
42966805 is a deficient number, since it is larger than the sum of its proper divisors (17553515).
42966805 is a wasteful number, since it uses less digits than its factorization.
42966805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33228.
The product of its (nonzero) digits is 103680, while the sum is 40.
The square root of 42966805 is about 6554.9069406056. The cubic root of 42966805 is about 350.2496314362.
The spelling of 42966805 in words is "forty-two million, nine hundred sixty-six thousand, eight hundred five".
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